1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
17  ***************************************************************************/
18 
19 #ifndef OPENOCD_TARGET_BREAKPOINTS_H
20 #define OPENOCD_TARGET_BREAKPOINTS_H
21 
22 #include <stdint.h>
23 
24 struct target;
25 
26 enum breakpoint_type {
27 	BKPT_HARD,
28 	BKPT_SOFT,
29 };
30 
31 enum watchpoint_rw {
32 	WPT_READ = 0, WPT_WRITE = 1, WPT_ACCESS = 2
33 };
34 
35 struct breakpoint {
36 	target_addr_t address;
37 	uint32_t asid;
38 	int length;
39 	enum breakpoint_type type;
40 	int set;
41 	uint8_t *orig_instr;
42 	struct breakpoint *next;
43 	uint32_t unique_id;
44 	int linked_BRP;
45 };
46 
47 struct watchpoint {
48 	target_addr_t address;
49 	uint32_t length;
50 	uint32_t mask;
51 	uint32_t value;
52 	enum watchpoint_rw rw;
53 	int set;
54 	struct watchpoint *next;
55 	int unique_id;
56 };
57 
58 void breakpoint_clear_target(struct target *target);
59 int breakpoint_add(struct target *target,
60 		target_addr_t address, uint32_t length, enum breakpoint_type type);
61 int context_breakpoint_add(struct target *target,
62 		uint32_t asid, uint32_t length, enum breakpoint_type type);
63 int hybrid_breakpoint_add(struct target *target,
64 		target_addr_t address, uint32_t asid, uint32_t length, enum breakpoint_type type);
65 void breakpoint_remove(struct target *target, target_addr_t address);
66 void breakpoint_remove_all(struct target *target);
67 
68 struct breakpoint *breakpoint_find(struct target *target, target_addr_t address);
69 
70 void watchpoint_clear_target(struct target *target);
71 int watchpoint_add(struct target *target,
72 		target_addr_t address, uint32_t length,
73 		enum watchpoint_rw rw, uint32_t value, uint32_t mask);
74 void watchpoint_remove(struct target *target, target_addr_t address);
75 
76 /* report type and address of just hit watchpoint */
77 int watchpoint_hit(struct target *target, enum watchpoint_rw *rw,
78 		target_addr_t *address);
79 
80 #endif /* OPENOCD_TARGET_BREAKPOINTS_H */
81